AirHint found the following cheapest return flights from Osaka (ITM) to London (LHR) in December 2025 (see full year).

Return flights

02 Dec - 07 Dec	Japan Airlines
23 Dec - 07 Jan	Japan Airlines
01 Dec - 06 Dec	British Airways
01 Dec - 08 Dec	British Airways
01 Dec - 07 Dec	British Airways
22 Dec - 05 Jan	Japan Airlines
12 Dec - 15 Dec	ANA
18 Dec - 25 Dec	ANA
24 Dec - 07 Jan	British Airways
24 Dec - 06 Jan	British Airways
22 Dec - 20 Jan	Lufthansa
22 Dec - 29 Dec	ANA
24 Dec - 28 Dec	ANA
22 Dec - 28 Dec	ANA
25 Dec - 05 Jan	Lufthansa
25 Dec - 31 Dec	British Airways
24 Dec - 05 Jan	British Airways
29 Dec - 05 Jan	Lufthansa
25 Dec - 04 Jan	Lufthansa
25 Dec - 01 Jan	Lufthansa

Also check the deals for one-way flights from Osaka to London in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Osaka to London in December from 1012€

Return flights